LG MULTI V ARNU07GTUA4 Engineering Product Data Book page 508

Indoor unit
1. Cassette, Duct, Ceiling & Floor, Ceiling Suspended, Floor Standing, Console, Fresh Air Intake Unit
5. In case that the indoor unit has an abnormal problem an error code will be displayed on the wired remote
controller.
With the exception of the indoor unit with the error, you can control each indoor unit individually.
6. In case of Group Control, it is possible to use following functions.
- Selection of operation options (operation/stop/mode/set temperature)
- Control of flow rate (High/Middle/Low)
- It is not possible at some functions.
h Master/Slave setting of indoor units be set possible using a PCB Dip Switch.
h It is possible to connect indoor units since Feb. 2009.
In the other cases, please contact LGE.
hIt can be the cause of malfuctions when there is no setting of master and slave.
(2) Group Control 2
n Wired remote controllers + Standard Indoor Units
Master
Donʼt connect serial 12V line
Display Error Message
Master
h It is possible to control N indoor units by wired remote controller M units. (M+N≤17 Units)
Set only one indoor unit to Master, set the others to Slave.
Set only one wired remote controller to Master, set the others to Slave.
Other than those, it is same with the Group Control 1.
or
Slave
Slave
Slave
Dip Switch & Group Control Setting
LGAP Network System
Slave
GND
Signal
12 V
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